Remove log translations

Log messages are no longer being translated. This
removes all use of the _LE, _LI, and _LW translation markers to simplify
logging and to avoid confusion with new contributions.

See:
http://lists.openstack.org/pipermail/openstack-i18n/2016-November/002574.html
http://lists.openstack.org/pipermail/openstack-dev/2017-March/113365.html

Change-Id: Ibfe04fd84dc50d5d4ad6ad6736e6d8b74c8e41b4
Closes-Bug: 1674577

oslo_versionedobjects/_i18n.py

@@ -23,13 +23,3 @@ _translators = oslo_i18n.TranslatorFactory(domain='oslo_versionedobjects')
 
 # The primary translation function using the well-known name "_"
 _ = _translators.primary
-
-# Translators for log levels.
-#
-# The abbreviated names are meant to reflect the usual use of a short
-# name like '_'. The "L" is for "log" and the other letter comes from
-# the level.
-_LI = _translators.log_info
-_LW = _translators.log_warning
-_LE = _translators.log_error
-_LC = _translators.log_critical

oslo_versionedobjects/base.py

@@ -26,7 +26,7 @@ from oslo_utils import excutils
 from oslo_utils import versionutils as vutils
 import six
 
-from oslo_versionedobjects._i18n import _, _LE
+from oslo_versionedobjects._i18n import _
 from oslo_versionedobjects import exception
 from oslo_versionedobjects import fields as obj_fields
 
@@ -84,7 +84,7 @@ def _make_class_properties(cls):
             except Exception:
                 with excutils.save_and_reraise_exception():
                     attr = "%s.%s" % (self.obj_name(), name)
-                    LOG.exception(_LE('Error setting %(attr)s'),
+                    LOG.exception('Error setting %(attr)s',
                                   {'attr': attr})
 
         def deleter(self, name=name):
@@ -360,8 +360,8 @@ class VersionedObject(object):
     def obj_class_from_name(cls, objname, objver):
         """Returns a class from the registry based on a name and version."""
         if objname not in VersionedObjectRegistry.obj_classes():
-            LOG.error(_LE('Unable to instantiate unregistered object type '
-                          '%(objtype)s'), dict(objtype=objname))
+            LOG.error('Unable to instantiate unregistered object type '
+                      '%(objtype)s'), dict(objtype=objname)
             raise exception.UnsupportedObjectError(objtype=objname)
 
         # NOTE(comstud): If there's not an exact match, return the highest

oslo_versionedobjects/exception.py

@@ -31,7 +31,7 @@ from oslo_utils import excutils
 import six
 import webob.exc
 
-from oslo_versionedobjects._i18n import _, _LE
+from oslo_versionedobjects._i18n import _
 
 LOG = logging.getLogger(__name__)
 
@@ -123,7 +123,7 @@ class VersionedObjectsException(Exception):
                 exc_info = sys.exc_info()
                 # kwargs doesn't match a variable in the message
                 # log the issue and the kwargs
-                LOG.exception(_LE('Exception in string format operation'))
+                LOG.exception('Exception in string format operation')
                 for name, value in kwargs.items():
                     LOG.error("%s: %s" % (name, value))    # noqa